Take your sandwich game to a whole new level with this epic idea that teams the finest sourdough with prime steak, tangy mustard and peppery watercress.
Marks & Spencer
Whatever you fancy cooking, we've got a recipe to inspire you. From speedy midweek meals to budget-friendly family dinners and weekend treats, let us help you cook and eat better, every day.
15MIN
Total time
Ingredients
Servings
4
2
Select Farms British rump steaks
100 g
M&S Remarksable Value unsalted British butter
8 slices
M&S Collection crafted sourdough bread
1 jar
(170 g)
(170 g)
Cook with M&S Easy onions
100 g
M&S deli mustard
1 bag
(80 g)
(80 g)
watercress
Nutrition per serving
Calories
741kcal
Fat
40.1 g
Saturates
22.0 g
Sugars
12.3 g
Salt
725.9 mg
